»ffi»HtR-«Ottr ISta eHBSTsJ, 3fUra7«iM«&lt; r * y iP? J»* »r !&gt;***£*£ Sixth itrttt, oitvt 3mitjt»tt ttrctlyPitUturf*. - - -i_ U^ -i~ - ¦ ¦ '•- ¦ ; ' Pittsburgh, June IS, 1839. Mr. Jobk Dwewtita:—Dear Sir— Having been present, yesterday, at ihe experiment which you were pleased to make, hi the presence of a number of oar business men, of llrewifetyof your IRON CHESTS, in case of fire, it gives me'pteasure to say, that so far as I was capable of Judging, the lest'was fair, and the resuft exceeded my expectation*. The Chtjit wa? a small one, about 30 inches high, by about IS or.20 Inches In breadth and dcplh, and was placed on aojockof tvoridaboul a foot in lhlckness,su as lo elevaie It alioit that he ' ff hi from the ground; several books and newspapers were depositedinside of it. In the manner in which Merchants and oilicrs would usually placeihe ' m—a targe quantity of light pine wood [slahs from an hrtjoiningSaw Mill,] was then placed around and above. it, and Ihe Or...

~W: ^WRO Oljfi.—ThaSnnseriberwoiild; most respectfully :t3LA Inform the public in genera Hint he has an article of "*afcrS Oirofa«nperiori)UBliiy,maniifactored.il ihe Cincinnati Oil Mauafactory;hy.R.W.Lee4- Oo.,whlch Is warranteito-tw equal to«»e hfittSperm.Oil,l&gt;oth for Ushtandalaeainjry. This Oil is entirely free from any gluirhoBs mailer,fmoke, or unpleasant,odor,and il is,is clear and •s while as iprlnfe water. Not a panicle of crust Is left on Hie wick. The light is pure and hrll.ianl, anf will law as long. If not longer, ibaji that from an ; eqoal qnanllty of Sperm. Oil. The subsciiber Informs the nublic that he has taken a place nearly opposite the Post OIBce, wliere he Xtlll li-ht up several different lamps ev*. "y etreninf. nh-1 he would respectfully ixvi.e Hie In habitants *f Pillshiirsh. Allegheny,and their vicinity, to -Ckit'Md jtrtjefor themselves- (Ic feel* confident, tbey wW be coavlncM that the above statrment Is perfectly eorreel. Oot urtwn hundred Individu...